Teachoo Quiz

Short Quiz

Chapter 1 Class 11 Sets | 5 questions | about 4 minutes

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Question 1 of 5
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Question 1 of 5
If \(A=\left\{x \in R: x^2-5 x+6=0\right\}\) and \(B=\left\{x \in R: x^2-9=0\right\}\), then \(A \cup B\) is:
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Question 2 of 5
If \(X=\left\{8^n-7 n-1: n \in N\right\}\) and \(Y=\{49(n-1): n \in N\}\), then:
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Question 3 of 5
For any two sets A and \(\mathrm{B}, A=(A \cap B) \cup \ldots\) ?
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Question 4 of 5
The difference \(A-B\) is defined as:
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Question 5 of 5
The set \(\left\{x: x\right.\) is a positive integer and \(\left.x^2<10\right\}\) is:
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